49 lines
980 B
C++
49 lines
980 B
C++
/*
|
|
This source file is part of Konsole, a terminal emulator.
|
|
|
|
SPDX-FileCopyrightText: 2006-2008 Robert Knight <robertknight@gmail.com>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef POPSTACKONEXIT_H
|
|
#define POPSTACKONEXIT_H
|
|
|
|
#include <QStack>
|
|
|
|
namespace Konsole
|
|
{
|
|
/**
|
|
* PopStackOnExit is a utility to remove all values from a QStack which are added during
|
|
* the lifetime of a PopStackOnExit instance.
|
|
*
|
|
* When a PopStackOnExit instance is destroyed, elements are removed from the stack
|
|
* until the stack count is reduced the value when the PopStackOnExit instance was created.
|
|
*/
|
|
template<class T>
|
|
class PopStackOnExit
|
|
{
|
|
public:
|
|
explicit PopStackOnExit(QStack<T> &stack)
|
|
: _stack(stack)
|
|
, _count(stack.count())
|
|
{
|
|
}
|
|
|
|
~PopStackOnExit()
|
|
{
|
|
while (_stack.count() > _count) {
|
|
_stack.pop();
|
|
}
|
|
}
|
|
|
|
private:
|
|
Q_DISABLE_COPY(PopStackOnExit)
|
|
|
|
QStack<T> &_stack;
|
|
int _count;
|
|
};
|
|
}
|
|
|
|
#endif
|